the MCLR pins of the 74HCT164 chips are not connected on Borg 16
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@ -57,8 +57,6 @@ static void nextrow(uint8_t row) {
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if (row == 0) {
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// row 0: initialize first shift register
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#ifndef INVERT_ROWS
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ROWPORT &= ~(1 << PIN_MCLR);
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ROWPORT |= (1 << PIN_MCLR);
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ROWPORT |= (1 << PIN_DATA);
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ROWPORT |= (1 << PIN_CLK);
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ROWPORT &= ~(1 << PIN_CLK);
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@ -197,7 +195,7 @@ void borg_hw_init() {
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COLDDR2 = 0xFF;
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// switch pins of the row port to output mode
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ROWDDR = (1 << PIN_MCLR) | (1 << PIN_CLK) | (1 << PIN_DATA);
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ROWDDR = (1 << PIN_CLK) | (1 << PIN_DATA);
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// switch off all columns for now
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COLPORT1 = 0;
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